This video offers a comprehensive overview of the hazards associated with working on conventional ships' high-temperature and pressurised systems. It sheds light on the potential dangers posed by elevated temperatures and pressures, as well as the risks of personal injury from scalding and burns. The video emphasises the significance of adhering to proper procedures, which include meticulous planning, thorough risk assessment, and toolbox meetings. Moreover, the video provides practical recommendations for working on such systems, such as using protective clothing, verifying valve functionality and system isolation, and employing measuring instruments correctly.